<template>
  <div class="login_container">
    <!--头像区-->
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>
      <!--登录表单区-->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        class="login_form"
        :rules="loginFormRules"
      >
        <!--用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-s-custom">
          </el-input>
        </el-form-item>

        <!--密码-->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="el-icon-lock"
            type="password"
          >
          </el-input>
        </el-form-item>

        <!--按钮区-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //登录表单数据绑定对象
      loginForm: {
        // username: "AnselmYang",
        // password: "123456",
      },
      //表单验证规则
      loginFormRules: {
        username: [
          //验证用户名
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 20,
            message: "长度在 3 到 20 个字符",
            trigger: "blur",
          },
        ],
        password: [
          //验证密码
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 3,
            max: 20,
            message: "长度在 6 到 20 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    //重置
    resetLoginForm() {
      console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    //登录
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        //console.log(valid);
        if (!valid) return;
        //console.log(this.consts.LOGIN_URL);
        const { data: res } = await this.$http.post(
          this.consts.LOGIN_URL,
          this.loginForm
        );
        if (res.code == this.consts.CODE_FAILURE)
          return this.$message.error("登录失败");
        console.log(res);
        //将token存入到sessionStorage中
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push("home") //跳转到home界面
        this.$message.success("登录成功");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #ffffff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    border: 1px solid #eee;
    border-radius: 50%;
    height: 130px;
    width: 130px;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    background-color: #ffffff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
  }
}
</style>
